#define uchar unsigned char
#define uint unsigned int

void delay_us(uint n);
void delay_ms(uint i);
void Port_init(void);
void LCD_init(void);
void LCD_en_write(void);
void LCD_clear(void);
void Write_Instruction(uchar command);
void Write_Data(uchar Wdata);
void LCD_SET_XY(uchar X,uchar Y);
void LCD_write_str(uchar X,uchar Y,uchar *s);
void LCD_write_char(uchar X,uchar Y,uchar Wdata);
